Erythrite and Zircon Optical Properties

Erythrite

Zircon

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1 Optical Properties

1.1 Luster

Subadamantine, Pearly

Adamantine

1.2 Pleochroism

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

Weak

1.3 Dispersion

NA0.04

0.007 1

1.4 Transparency

Not Available

Transparent

1.5 Refractive Index

1.626-1.6291.810-2.024

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

tetragonal

1.8 Birefringence

Not Available0.047-0.055

0 0.296

1.9 Clarity

Not Available

Transparent

Erythrite and Zircon Optic Character

Erythrite and Zircon optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Erythrite and Zircon Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Erythrite and Zircon optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Erythrite and Zircon Transparency

Similar to their colors, Erythrite and Zircon transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Erythrite is Not Available while Erythrite is Not Available in appearance.